BR112018014830A2 - flexible nuclear level detection meter - Google Patents

flexible nuclear level detection meter

Info

Publication number
BR112018014830A2
BR112018014830A2 BR112018014830A BR112018014830A BR112018014830A2 BR 112018014830 A2 BR112018014830 A2 BR 112018014830A2 BR 112018014830 A BR112018014830 A BR 112018014830A BR 112018014830 A BR112018014830 A BR 112018014830A BR 112018014830 A2 BR112018014830 A2 BR 112018014830A2
Authority
BR
Brazil
Prior art keywords
light
product
primary scintillator
light guide
compartment
Prior art date
Application number
BR112018014830A
Other languages
Portuguese (pt)
Other versions
BR112018014830B1 (en
Inventor
Cahill Bonaventure
Niinemets Thomas
Original Assignee
Vega Americas Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/004,516 external-priority patent/US10365381B1/en
Application filed by Vega Americas Inc filed Critical Vega Americas Inc
Publication of BR112018014830A2 publication Critical patent/BR112018014830A2/en
Publication of BR112018014830B1 publication Critical patent/BR112018014830B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/288—X-rays; Gamma rays or other forms of ionising radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

um medidor de detecção de nível nuclear (30) para medir o nível de produto em um compartimento (32). o medidor inclui uma fonte de radiação nuclear (36) posicionada adjacente ao produto no compartimento e uma câmara (34). um cintilador primário (40) é fornecido na câmara (34), adjacente ao produto no compartimento (32) e de frente para a fonte de radiação nuclear (36). a radiação nuclear proveniente da fonte (36) passa ao longo do compartimento (32) e colide sobre o cintilador primário (40), gerando luz cintilante. uma guia de luz (44) transmite a luz cintilante do cintilador primário (40) para o sistema de circuitos detectores de luz (12). a guia de luz (44) é acoplada ao cintilador primário (40) através de um espaço de ar. a guia de luz (44) produz sinais luminosos de cintilação em resposta à absorção da luz cintilante do cintilador primário (40). o sistema de circuitos detectores de luz (12) coleta os sinais luminosos da guia de luz (44) para fornecer uma representação do nível de produto que absorve radiação no compartimento.a nuclear level detection meter (30) for measuring the product level in a compartment (32). The meter includes a nuclear radiation source (36) positioned adjacent the product in the housing and a chamber (34). a primary scintillator (40) is provided in the chamber (34), adjacent to the product in the compartment (32) and facing the nuclear radiation source (36). nuclear radiation from source (36) passes along compartment (32) and collides with primary scintillator (40), generating scintillating light. A light guide (44) transmits the scintillating light from the primary scintillator (40) to the light detector circuitry (12). the light guide (44) is coupled to the primary scintillator (40) through an air gap. the light guide (44) produces flickering light signals in response to absorption of the scintillating light from the primary scintillator (40). The light detector circuitry (12) collects the light signals from the light guide (44) to provide a representation of the level of radiation absorbing product in the housing.

BR112018014830-0A 2016-01-22 2017-01-23 flexible nuclear level detection meter BR112018014830B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US15/004,516 2016-01-22
US15/004,516 US10365381B1 (en) 2016-01-22 2016-01-22 Flexible nuclear level sensing gauge
US201662396861P 2016-09-20 2016-09-20
US62/396,861 2016-09-20
PCT/US2017/014491 WO2017127781A1 (en) 2016-01-22 2017-01-23 Flexible nuclear level sensing gauge

Publications (2)

Publication Number Publication Date
BR112018014830A2 true BR112018014830A2 (en) 2018-12-18
BR112018014830B1 BR112018014830B1 (en) 2021-02-17

Family

ID=57966159

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018014830-0A BR112018014830B1 (en) 2016-01-22 2017-01-23 flexible nuclear level detection meter

Country Status (9)

Country Link
EP (1) EP3405758B1 (en)
JP (1) JP6890614B2 (en)
KR (1) KR20180118113A (en)
CN (1) CN109073446A (en)
AU (1) AU2017209447B2 (en)
BR (1) BR112018014830B1 (en)
CA (1) CA3012181C (en)
RU (1) RU2725669C2 (en)
WO (1) WO2017127781A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11112370B2 (en) 2019-01-04 2021-09-07 The Boeing Company Reconfigurable backscatter detector
CN111442815B (en) * 2019-01-17 2023-12-01 上海树诚实业有限公司 Wide-range isotope liquid level detection synthetic circuit
TWI779280B (en) * 2019-06-03 2022-10-01 日商英達斯特股份有限公司 System for removing fine material
JP7491571B2 (en) 2020-12-02 2024-05-28 学校法人東京医科大学 Medical Radiation Dose Monitor
KR102498370B1 (en) * 2022-09-29 2023-02-10 주식회사 미래와도전 Radiation sensor system for long-distance and real-time spectroscopy to verify spent nuclear fuel

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884288A (en) 1973-02-22 1975-05-20 Southwire Co Method and apparatus for tundish level control
US4481595A (en) 1981-06-19 1984-11-06 Hans Schiessl Method and apparatus for determining the fill level of containers
SE441502B (en) 1984-03-19 1985-10-14 Asea Ab NIVAMETERS BY COCILLES FOR STRING
SE454146B (en) 1985-01-07 1988-04-11 Asea Ab NIVAMET SIZING DEVICE BY CONTINUOUS CASTING
EP0209059A3 (en) 1985-07-16 1989-01-25 Concast Service Union Ag Process and apparatus for driving a cast strand in a continuous-casting unit
US5564487A (en) 1993-12-17 1996-10-15 Ronan Engineering Company Continuous casting mold having radiation source for level measurement
JP2971358B2 (en) * 1994-03-23 1999-11-02 株式会社東芝 Radiation measurement device
US5629515A (en) * 1994-03-23 1997-05-13 Kabushiki Kaisha Toshiba Radiation measuring system having scintillation detectors coupled by optical fibers for multipoint measurement
CN2690898Y (en) * 2004-04-20 2005-04-06 中国辐射防护研究院 Detector with perforated light guide type NaI matched with wavelength conversion optical fiber
RU2377598C2 (en) * 2008-01-17 2009-12-27 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" Scintillation detector
DE102009002816A1 (en) * 2009-05-05 2010-11-11 Endress + Hauser Gmbh + Co. Kg Radiometric measuring device
DE102011085943A1 (en) * 2011-11-08 2013-05-08 Endress + Hauser Gmbh + Co. Kg Scintillation detector for radiometric measuring device, has retroreflection unit that is arranged in end of fiber bundle to perform retroreflection of incident light back to scintillation fiber bundles
DE102012100768A1 (en) * 2012-01-31 2013-08-01 Endress + Hauser Gmbh + Co. Kg Szintillationdetektor
US9921172B2 (en) * 2013-03-13 2018-03-20 Vega Americas, Inc. Segmented fiber nuclear level gauge

Also Published As

Publication number Publication date
BR112018014830B1 (en) 2021-02-17
KR20180118113A (en) 2018-10-30
EP3405758B1 (en) 2023-07-26
RU2018130159A3 (en) 2020-04-21
RU2725669C2 (en) 2020-07-03
JP2019504330A (en) 2019-02-14
EP3405758A1 (en) 2018-11-28
RU2018130159A (en) 2020-02-26
CN109073446A (en) 2018-12-21
WO2017127781A1 (en) 2017-07-27
AU2017209447B2 (en) 2022-02-03
CA3012181C (en) 2024-01-02
AU2017209447A1 (en) 2018-08-16
JP6890614B2 (en) 2021-06-18
CA3012181A1 (en) 2017-07-27

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time
B11N Dismissal: publication cancelled [chapter 11.14 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 11.4 NA RPI NO 2594 DE 24/09/2020 POR TER SIDO INDEVIDA.

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/01/2017, OBSERVADAS AS CONDICOES LEGAIS.